/*
 * @Author: w
 * @Date: 2022-02-16 15:37:16
 * @Description: 5. 最长回文子串
 */

// 动态规划
/**
 * @param {string} s
 * @return {string}
 */
var longestPalindrome = function (s) {
  let ans;
  for (let i = 0; i < s.length; i++) {
    let stack = [];

    for (let j = i; j >= 0; j--) {
      stack.push(s(j));
    }
  }
};
